Display screen or portion thereof with graphical user interface



FIG. 1 is a front view of display screen or portion thereof with graphical user interface showing the new design; and,

FIG. 2 is a front view thereof, in which a mobile device in broken lines is provided to illustrate an example environment.

The broken line showing of the mobile device in FIG. 2 represents environmental subject matter and forms no part of the claimed design. 

CLAIM The ornamental design for a display screen or portion thereof with graphical user interface, as shown and described. 